formulate vs redevelop

formulate and redevelop both are verbs.

Word	Noun	Adjective	Verb	Adverb
formulate	No	No	Yes	No
redevelop	No	No	Yes	No

As verbs, redevelop is a hyponym of formulate; that is, redevelop is a word with a more specific, narrower meaning than formulate:

Other hyponyms of formulate include mature, reformulate.

formulate (verb)	redevelop (verb)
put into words or an expression	change the plans for the use of (land)
elaborate, as of theories and hypotheses	formulate or develop again, of an improved theory or hypothesis
come up with (an idea, plan, explanation, theory, or principle) after a mental effort	develop for a second time, in order to improve the contrast, colour, etc., of a negative or print
prepare according to a formula